1960s Sango brand (made in Japan) child’s teacup: 2,323 ppm Lead [90 is unsafe for kids] + 292 ppm Arsenic.
1963 Style House Contessa Fine China Made in Japan: 7,700 ppm Lead in decorative elements (90 ppm is unsafe for kids.)
Mikasa “Potters Art” Ben Seibel Country Cabin Design (Made in Japan) Ceramic Dish: 76 ppm Lead. Safe by all standards.
1993 Mikasa English Countryside Coffee Mug: 30,900 ppm Lead. 90 is unsafe in items intended for use by kids.
Japanese Hasami Porcelain Mug Glazed Area: Non-Detect for Lead, Substrate: 30 ppm (safe by all standards.)